摘要:
两个新的氧杂蒽酮,calozeyloxanthone(1)和zeyloxanthonone(4),已经从树皮中分离C.锡兰以及桦木酸,friedelan-3β醇,calabaxanthone,taraxerone,木栓,蒲公英赛醇,β谷甾醇。Zeyloxanthonone(4)与Wightianone相同,后者的结构也有所修改。的木材C.锡兰得到6- deoxyjacareubin(11),1,6-二羟基-5- methoxyxanthone,1,5- dihydroxyxanthone,1,7- dihydroxyxanthone,2- hydroxyxanthone,和jacareubin。